If the user types TAB at the end of this command line, the available
completions will be "f1" and "f2".
+* Inlined functions are now supported. They show up in backtraces, and
+the "step", "next", and "finish" commands handle them automatically.
+
* GDB now supports the token-splicing (##) and stringification (#)
operators when expanding macros. It also supports variable-arity
macros.